#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/time.h>
#include <sys/prctl.h>
#include <sys/resource.h>

// ./dumpable  => returns current dumpable
// ./dumpable [0|1|2] <cmd> [args...]  => executes cmd under dumpable state
//                                        and with RLIMIT_CPU=0
int main(int argc, char **argv, char **envp)
{
	struct rlimit lim;

	if (argc < 2) {
		printf("dumpable=%d\n", prctl(PR_GET_DUMPABLE, 0, 0, 0, 0));
		return 0;
	}

	prctl(PR_SET_DUMPABLE, atoi(argv[1]), 0, 0, 0);

	lim.rlim_cur = RLIM_INFINITY;
	lim.rlim_max = RLIM_INFINITY;
	setrlimit(RLIMIT_CORE, &lim);

	lim.rlim_cur = 0;
	lim.rlim_max = RLIM_INFINITY;
	setrlimit(RLIMIT_CPU, &lim);

	return execve(argv[2], argv + 2, envp);
}